https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 02:49:23 +0000 https://vulnerability.circl.lu/vuln/ghsa-v39h-62p7-jpjc <p><strong>Affected:</strong> npm: fast-uri</p> <p>### Impact</p> <p>`fast-uri` v3.1.1 and earlier decodes percent-encoded authority delimiters (`%40` as `@`, `%3A` as `:`) inside the host component and serializes them back as raw characters. This changes the URI structure, turning a hostname into userinfo plus a different host.</p> <p>For example, `http://trusted.com%40evil.com/` normalizes to `http://trusted.com@evil.com/`, which reparses as host `evil.com` with userinfo `trusted.com`.</p> <p>Applications that normalize untrusted URLs before host allowlist checks, redirect validation, or outbound request routing can be steered to a different authority than the original URL appeared to contain.</p> <p>### Patches</p> <p>Upgrade to `fast-uri` &gt;= 3.1.2, or if you are in the v2.x release line, v2.4.1</p> <p>### Workarounds</p> <p>None. Upgrade to the patched version.</p> <p><strong>Affected:</strong> npm: fast-uri</p> <p>### Impact</p> <p>`fast-uri` v3.1.1 and earlier decodes percent-encoded authority delimiters (`%40` as `@`, `%3A` as `:`) inside the host component and serializes them back as raw characters. This changes the URI structure, turning a hostname into userinfo plus a different host.</p> <p>For example, `http://trusted.com%40evil.com/` normalizes to `http://trusted.com@evil.com/`, which reparses as host `evil.com` with userinfo `trusted.com`.</p> <p>Applications that normalize untrusted URLs before host allowlist checks, redirect validation, or outbound request routing can be steered to a different authority than the original URL appeared to contain.</p> <p>### Patches</p> <p>Upgrade to `fast-uri` &gt;= 3.1.2, or if you are in the v2.x release line, v2.4.1</p> <p>### Workarounds</p> <p>None. Upgrade to the patched version.</p> https://vulnerability.circl.lu/vuln/ghsa-v39h-62p7-jpjc